Routes

Planner

Features

Updates

App

Get the App

Routes

Hiking trails & Routes

Pen y Manllwyn Summit – Dragon's Back Ridge (Y Grib) loop from Castell Dinas

Routes

Hiking trails & Routes

Pen y Manllwyn Summit – Dragon's Back Ridge (Y Grib) loop from Castell Dinas

Hard

4.7

(9)

hikers

Pen y Manllwyn Summit – Dragon's Back Ridge (Y Grib) loop from Castell Dinas

06:13

18.0km

920m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 15, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Parking

Get Directions

18 m

The Dinas Castle Inn

Highlight • Pub

Good starting point for the dragons back route or Waun Fach. Enough spaces for 20ish cars if you get there early. £5 in the honesty box. Drinks & toilets in the pub for afterwards

Tip by

793 m

Castell Dinas Hillfort and Castle Ruins

Highlight • Viewpoint

The highest castle in England and Wales, actually missed this initially until I looked at my GPS and realised it was the castle.

Tip by

2.85 km

Stone Wall in Bannau Brycheiniog National Park

Highlight • Structure

10.1 km

Pen y Gadair Fawr Summit Cairn

Highlight • Viewpoint

In terms of height, Pen y Gadair Fawr plays second fiddle only to Waun Fach as the Black Mountains' second highest summit. However, where Waun Fach's top is broad and …

Tip by

12.2 km

Waun Fach Ordnance Survey Marker

Highlight • Monument

13.1 km

Pen y Manllwyn Summit

Highlight • Natural Monument

Pen y Manllwyn 773.71m (2538ft)
Jones and sub Marsh summit

Tip by

13.9 km

The long ridgeline from Pengenffordd and up over Y Grib is known as the Dragon's Back. This is because of the narrow rising and falling ridge which looks like a dragon. It's a great walk with excellent views.

Tip by

18.0 km

End point

Parking

Way Types & Surfaces

Way Types

8.88 km

7.15 km

2.02 km

Surfaces

11.7 km

2.47 km

2.22 km

1.69 km

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (800 m)

Lowest point (310 m)

Weather

Sunday 17 May

12°C

5°C

83 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Moderate

4.8

4,753

Pen y Fan and Corn Du Circular Walk

02:44h

7.56km

450m

Easy

4.7

2,957

Ystradfellte Four Waterfalls Walk from Cwm Porth —Bannau Brycheiniog / Brecon Beacons National Park

02:00h

7.25km

120m

Hard

4.8

1,826

Pen y Fan, Cribyn & Fan y Big loop from Storey Arms — Bannau Brycheiniog (Brecon Beacons) National Park

08:16h

25.0km

1,110m

Hard

4.8

1,788

Pen y Fan Horseshoe Ridge — Bannau Brycheiniog / Brecon Beacons National Park

05:55h

18.5km

720m

Moderate

4.7

2,624

Ystradfellte Four Waterfalls main route from Gwaun Hepste — Brecon Beacons National Park

02:17h

7.96km

190m

Moderate

4.9

1,460

Waun Fach loop via the Dragons Back — Bannau Brycheiniog / Brecon Beacons National Park

03:42h

10.8km

550m

Easy

4.9

1,025

Sugar Loaf loop from Llanwenarth car park — Bannau Brycheiniog (Brecon Beacons) National Park

01:40h

5.11km

220m

Moderate

4.7

626

The Blorenge circular from Keeper's Pond — Brecon Beacons National Park

03:12h

11.0km

300m

Moderate

4.8

429

Pen y Fan & Cribyn loop via Cefn Cwm Llwch & Bryn Teg

03:52h

10.6km

650m

Moderate

4.7

601

Table Mountain & Crickhowell Castle loop

02:36h

7.98km

360m

Moderate

4.7

286

Sugar Loaf Circular

03:07h

9.16km

480m

Easy

4.8

496

Skirrid Fawr loop — Bannau Brycheiniog (Brecon Beacons) National Park

01:59h

5.95km

280m

Pen y Manllwyn Summit – Dragon's Back Ridge (Y Grib) loop from Castell Dinas

The Dinas Castle Inn

Castell Dinas Hillfort and Castle Ruins

Stone Wall in Bannau Brycheiniog National Park

Pen y Gadair Fawr Summit Cairn

Waun Fach Ordnance Survey Marker

Pen y Manllwyn Summit

Dragon's Back Ridge (Y Grib)

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️